National Center for Transportation Studies & Japan International Cooperation Agency. (1991). Feasibility study for the Metro Manila outer major roads project (Southern Package). Japan International Cooperation Agency.
Chicago-viite (17. p.)National Center for Transportation Studies ja Japan International Cooperation Agency. Feasibility Study for the Metro Manila Outer Major Roads Project (Southern Package). [Manila]: Japan International Cooperation Agency, 1991.
MLA-viite (9. p.)National Center for Transportation Studies ja Japan International Cooperation Agency. Feasibility Study for the Metro Manila Outer Major Roads Project (Southern Package). Japan International Cooperation Agency, 1991.
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